{"id":"vidhyamitra:city-day:indore:1981-10-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/indore/1981-10-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-04","date_display":"October 4, 1981 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444881.770833,"kali_year":5083,"ahargana":1856416.2708,"sun":{"sidereal_longitude":166.4347,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":234.9687,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.534,"elapsed_within_tithi_degrees":8.534},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.9687,"elapsed_within_degrees":8.302},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.4034},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1981,"month":10,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444881.770833,"ahargana":1856416.2708,"kali_year":5083,"ayanamsa_lahiri":23.5982,"grahas":{"sun":{"sidereal_longitude":167.13609500000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":232.20819499999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":3.0767},"mars":{"sidereal_longitude":116.510895,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":190.47139500000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":175.30519500000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":211.06289500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":168.66609500000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":98.1323,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.1323,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444881.770833,"kali_year":5083,"ahargana":1856416.2708,"sun":{"sidereal_longitude":166.4347,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":234.9687,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.534,"elapsed_within_tithi_degrees":8.534},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.9687,"elapsed_within_degrees":8.302},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.4034},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.077,"elongation":68.534},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.077,"opposition_distance":111.466}},"eclipse_window_40days":[]},"city":{"slug":"indore","name":"Indore, Madhya Pradesh","lat":22.7196,"lon":75.8577,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"indore","name":"Indore, Madhya Pradesh","lat":22.7196,"lon":75.8577,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"06:18","sunsetLocal":"18:11","solarNoonLocal":"12:14","dayLengthHours":11.88312027975672,"dayLengthDisplay":"11 Hours 52 Mins 59 Secs","nightLengthDisplay":"12 Hours 07 Mins 01 Secs","moonriseLocal":"11:12","moonsetLocal":"21:57","rahuKala":{"name":"Rāhu Kāla","start":"16:42","end":"18:11","startHours":16.697372385113933,"endHours":18.182762420083524,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:14","end":"13:44","startHours":12.241202280205163,"endHours":13.726592315174754,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:13","end":"16:42","startHours":15.211982350144343,"endHours":16.697372385113933,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:28","startHours":9.072370205603372,"endHours":9.468474214928595,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:07","startHours":6.794772151983333,"endHours":7.111655359443512,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:38","startHours":11.845098270879939,"endHours":12.637306289530388,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:30","startHours":4.715226103025907,"endHours":5.507434121676355,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:18","startHours":5.309382117013743,"endHours":6.299642140326803,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:01","startHours":14.221722326831284,"endHours":15.013930345481732,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:59","end":"18:23","startHours":17.982762420083525,"endHours":18.382762420083523,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:11","end":"18:41","startHours":18.182762420083524,"endHours":18.677892431740055,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:56","end":"19:41","startHours":17.932762420083524,"endHours":19.682762420083524,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:38","startHours":23.84509827087994,"endHours":24.63730628953039,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:18","end":"07:47","startHours":6.299642140326803,"endHours":7.785032175296394,"quality":"inauspicious"},{"name":"Chala","start":"07:47","end":"09:16","startHours":7.785032175296394,"endHours":9.270422210265984,"quality":"neutral"},{"name":"Labha","start":"09:16","end":"10:45","startHours":9.270422210265984,"endHours":10.755812245235573,"quality":"auspicious"},{"name":"Amṛta","start":"10:45","end":"12:14","startHours":10.755812245235573,"endHours":12.241202280205163,"quality":"auspicious"},{"name":"Kāla","start":"12:14","end":"13:44","startHours":12.241202280205163,"endHours":13.726592315174754,"quality":"inauspicious"},{"name":"Śubha","start":"13:44","end":"15:13","startHours":13.726592315174754,"endHours":15.211982350144343,"quality":"auspicious"},{"name":"Roga","start":"15:13","end":"16:42","startHours":15.211982350144343,"endHours":16.697372385113933,"quality":"inauspicious"},{"name":"Udveg","start":"16:42","end":"18:11","startHours":16.697372385113933,"endHours":18.182762420083524,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:11","end":"19:42","startHours":18.182762420083524,"endHours":19.697372385113933,"quality":"auspicious"},{"name":"Roga","start":"19:42","end":"21:13","startHours":19.697372385113933,"endHours":21.211982350144343,"quality":"inauspicious"},{"name":"Udveg","start":"21:13","end":"22:44","startHours":21.211982350144343,"endHours":22.726592315174756,"quality":"inauspicious"},{"name":"Chala","start":"22:44","end":"00:14","startHours":22.726592315174756,"endHours":24.241202280205165,"quality":"neutral"},{"name":"Labha","start":"00:14","end":"01:45","startHours":24.241202280205165,"endHours":25.755812245235575,"quality":"auspicious"},{"name":"Amṛta","start":"01:45","end":"03:16","startHours":25.755812245235575,"endHours":27.270422210265984,"quality":"auspicious"},{"name":"Kāla","start":"03:16","end":"04:47","startHours":27.270422210265984,"endHours":28.785032175296394,"quality":"inauspicious"},{"name":"Śubha","start":"04:47","end":"06:18","startHours":28.785032175296394,"endHours":30.299642140326803,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:18","end":"07:18","startHours":6.299642140326803,"endHours":7.299642140326803,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:18","end":"08:18","startHours":7.299642140326803,"endHours":8.299642140326803,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:18","end":"09:18","startHours":8.299642140326803,"endHours":9.299642140326803,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:18","end":"10:18","startHours":9.299642140326803,"endHours":10.299642140326803,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:18","end":"11:18","startHours":10.299642140326803,"endHours":11.299642140326803,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:18","end":"12:18","startHours":11.299642140326803,"endHours":12.299642140326803,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:18","end":"13:18","startHours":12.299642140326803,"endHours":13.299642140326803,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:18","end":"14:18","startHours":13.299642140326803,"endHours":14.299642140326803,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:18","end":"15:18","startHours":14.299642140326803,"endHours":15.299642140326803,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:18","end":"16:18","startHours":15.299642140326803,"endHours":16.299642140326803,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:18","end":"17:18","startHours":16.299642140326803,"endHours":17.299642140326803,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:18","end":"18:18","startHours":17.299642140326803,"endHours":18.299642140326803,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:18","end":"19:18","startHours":18.299642140326803,"endHours":19.299642140326803,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:18","end":"20:18","startHours":19.299642140326803,"endHours":20.299642140326803,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:18","end":"21:18","startHours":20.299642140326803,"endHours":21.299642140326803,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:18","end":"22:18","startHours":21.299642140326803,"endHours":22.299642140326803,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:18","end":"23:18","startHours":22.299642140326803,"endHours":23.299642140326803,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:18","end":"00:18","startHours":23.299642140326803,"endHours":24.299642140326803,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:18","end":"01:18","startHours":24.299642140326803,"endHours":25.299642140326803,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:18","end":"02:18","startHours":25.299642140326803,"endHours":26.299642140326803,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:18","end":"03:18","startHours":26.299642140326803,"endHours":27.299642140326803,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:18","end":"04:18","startHours":27.299642140326803,"endHours":28.299642140326803,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:18","end":"05:18","startHours":28.299642140326803,"endHours":29.299642140326803,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:18","end":"06:18","startHours":29.299642140326803,"endHours":30.299642140326803,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-4.248337527850095,"eotMinutes":12.09706318769023,"ayanamsa":23.5982}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Ṣaṣṭhī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"indore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 4, 1981 CE · Indore, Madhya Pradesh · Vidhyamitra","description":"October 4, 1981 CE for Indore, Madhya Pradesh: Śukla Ṣaṣṭhī, sūryodaya 06:18, sūryāsta 18:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/indore/1981-10-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/indore/1981-10-04","sa":"https://sa.vidhyamitra.com/city/indore/1981-10-04","hi":"https://hi.vidhyamitra.com/city/indore/1981-10-04","x-default":"https://vidhyamitra.com/city/indore/1981-10-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T13:17:10.207Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-18T13:17:10.207Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T13:17:10.207Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}